Call of Combat: Air Assault is priced at $4.99 in Google Play; it is normally priced at $4.99 at the Amazon Appstore. As we've noted before, there are sometimes differences in pricing and availability between the two marketplaces.
Call of Combat: Air Assault is described as follows:
Become a pilot of the worlds most elite helicopter. Your objective is to shoot down and destroy as many enemy fighters as you can.
Pick up power-ups along the way to become even more powerful.
Be very cautious, one wrong move can be costly.
Call of Combat: Air Assault has a no ratings in Google Play and a 1.8-star rating in the Amazon Appstore.
We'd skip this, even though it is free.
There is also a version of the app in the iOS App Store. There it is priced at $0.99 but has not received enough ratings to display.
We continue to be disappointed with the FAOTD program. It began promisingly enough, with Angry Birds Rio, but we've gotten tired of the endless games or niche apps, and especially apps which have no uptake in Google Play, and seem to be FAOTD as a desperation move by the developer.
We'd like to see free versions of say, Office-compatible software or useful utilities such as CalenGoo instead of niche apps or endless games (we just assume every day that it's going to be a game; it's gotten that bad).
Amazon.com opened up the Appstore despite a lawsuit by Apple, which has previously trademarked the term "App Store." Microsoft has filed an appeal against that trademark, saying the term is too generic. Amazon.com has responded to the lawsuit in the same manner.
Apple has already lost a portion of that lawsuit, which said Amazon.com had participated in "false advertising."